Re: [R] Removing session variables
On 12-03-18 5:31 AM, Ajay Askoolum wrote: If I create a data.frame using session variables as follows: classResults<-data.frame(subjEnglish,gradeEnglish,subjFrench,gradeFrench,row.names=studentName) How can I remove the variables? I tried rm(names(classResults)) Error in rm(names(classResults)) : ... must contain names or character strings Use rm(list=names(classResults)). Duncan Murdoch Also, how can I include the row.names variable. I tried names(classResults) [1] "subjEnglish" "gradeEnglish" "subjFrench" "gradeFrench" but this does not include that name. Thanks. [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] Removing session variables
to remove an individual column: classResults$subjEnglish <- NULL to remove object: rm(classResults) to access student names: row.names(classResults) Sent from my iPad On Mar 18, 2012, at 5:31, Ajay Askoolum wrote: > If I create a data.frame using session variables as follows: > > classResults<-data.frame(subjEnglish,gradeEnglish,subjFrench,gradeFrench,row.names=studentName) > > > How can I remove the variables? I tried > >> rm(names(classResults)) > Error in rm(names(classResults)) : > ... must contain names or character strings > > > Also, how can I include the row.names variable. I tried > >> names(classResults) > [1] "subjEnglish" "gradeEnglish" "subjFrench" "gradeFrench" > > > but this does not include that name. > > Thanks. >[[alternative HTML version deleted]] > > __ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[R] Removing session variables
If I create a data.frame using session variables as follows: classResults<-data.frame(subjEnglish,gradeEnglish,subjFrench,gradeFrench,row.names=studentName) How can I remove the variables? I tried > rm(names(classResults)) Error in rm(names(classResults)) : ... must contain names or character strings Also, how can I include the row.names variable. I tried > names(classResults) [1] "subjEnglish" "gradeEnglish" "subjFrench" "gradeFrench" but this does not include that name. Thanks. [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
